Machine for making bungs



(No Model.)

J. PETZ.

3 Sheets-Sheet 1.

MACHINE POR vMAKING BUNGS.

Patented Peb. 9, 1886.

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(No Model.) 3 SheetsSheet 2.

J. PETZ.

MACHINE FOR MAKING BUNGS. 10.335.955 Patented Feb. 9, 1886.

'WITNESSES @6M @Mw (No Model.) s sheets-sheet 3.

J. PETZ.

MACHINE POR MAKING BUNGS.

No. 335,955. Patented Feb. 9, 1886.

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lINiTEn STATES PATENT JOHN PETZ, OF DETROIT, MICHIGAN, ASSIGNOR TO HIMSELF, JOHN PHIL- LIPS, AND EDVARD W. ROWLEY, OF SAME PLACE.

MACHINE FOR MAKING BUNGS.

SPECIFICATION forming part of Letters Patent No. 335,955, dated February 9, 1886.

(No model.)

To all whom, it mag/concern:

Be it known that I, JOHN Pn'rz, of Detroit, county of Wayne, Sta-te of Michigan, have invented a new and useful Improvement in Machines for Making Bungs; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it perfains to make and use it, reference being had 1o` to the accompanying drawings, which form a part of this specification.

This invention consists` of the combinations of devices and appliances hereinafter specified, and more particularly pointed out in the i 5 claims.

In the drawings, Figure l represents an elevation of a machine embodying my invention. Fig. 2 is a view in elevation at rightangles to that shown in Fig. l. Fig. 3 is a plan view 2o of the same. Fig. 4 is a separate view of the cam-gear for operating the, upright shaft and saw-frame. Fig. 5 is a separate view of the punch which cuts the bung from the wooden strip. Fig. 6 is a separate view of the ratchet 2 5 mechanism for actuating the feed-rollers.

This invention has for its object the production of a machine adapted to feed a strip of wood to a reciprocating punch, then set the punch slightly into the strip, afterward to saw 3o off a block of sufficient size, then to withdraw the punch with the block impaled upon its end, followed by and feeding the strip forward, and then to complete the punching of the first bung and set the punch slightly again into the l strip, the operation being such that with each forward motion of the punch a bung is discharged from the rear end of the punch, dropping down in front of a plunger, which drives it into a compressing-die, out of which it is 4o discharged by a follower as the plunger recedes.

Theinvention consists more particularly in the machine and combinations of mechanism for accomplishing these results by a continuous and uninterrupted motion of the drivingshafts.

In carrying out the invention, A represents the frame of the machine.

B isa horizontal driving-shaft, connected preferably with the power by fast and loose pulleys B and a beltshifting mechanism, B2.

O is an upright shaft, and D and D beveled gears whereby motion is given to the upright shaft.

lE E are two shafts, bearing friction-rollers E at their top, adapted to feed forward the wooden strip F, from which the bungs are punched. The shafts E have pinions which mesh with an intermediate pinion at the base, so as to cause the shafts to revolve in the same direction, and to one of them is attached any suitable pawl-and-ratchet mechanism.

I have found it convenient to employ the mechanism shown in Fig. 6, in which G is a ratchet-disk connected with one of the shafts E.

G is a sleeve surrounding the same.

g represents balls or cylinders'within the ratchets, and l(/springs back of the said pawls or cylinders. It is thus seen that as the lever G is forced in one direction the balls or cylinders g will instantly engage and cause a corresponding rotation of the shafts E and feedrollers E, while by the reverse movement of the lever Gl the sleeve G will ride back freely around the ratchetdisk G.

H is a push-bar, having one end connected with the lever-arm G'l of the ratchet device, and its other end projects to a point near the upright shaft C. A clip, H', is fastened to the bar, and a spring, H2, extends from this clip to a bolt or other fastening, H3.

Upon the upright shaft O is a sleeve from which projects a lug, Hf, in such relation with the push-bar H that as the shaft revolves this lug will impinge against the end of the pushbar and actuate the said v bar longitudinally, thus giving a motion to the shafts E and the feedrollers E sufficient to feed the strip forward enough for one bung, and for larger or smaller sizes of bungs the feed may be regu-- lated by adjusting the end of the push-bar in the slot g2 of the ratchet mechanism.

I is the punch for cutting the bung strip of wood. It is at its cutting end preferably shaped in arc form, so as to enter gradually with a shearing cut, and also for the punpose of readily engaging the wood,in,.o rder to hold it impaled upon the end of the punch from before the punch has advanced to any considerable extent. This punchis connected with a sliding frame, which is actuated by a punchcam, I', on the upright shaft C. This punchcam itis preferable to engage loosely with the upright shaft and in connection therewith to provide a clutch, I2, which turns with the shaft, and which may be shifted into or out of engagement with the cam by a clutch-lever, I3, so the punchmay be thrown into or out of operation at the will of the operator without checking the operation of the other parts. By this means if the strip of wood should at any point present imperfections, so as not to be suitable to work into bungs the punch can be thrown out of gear until the strip has fed past the defective portion.

J is a saw operated by a belt and a pulley, J', which is in turn driven by the shaft B from the 'pulley J 2. The saw-frame J3 is pivoted to the shaft i. This frame is in the form of an elbow orbell-cranklever. Its horizontal arm J4 is provided with a roller, J5, which rests upon the revolving cam J. (Shown more particularly in Fig. 4.) A spring, J7, serves to hold the roller down in contact with the face of the cam. It is apparent, therefore, that as the cam revolves the roller will enterthe depression in the cam, thus tilting the saw-frame about the shaft j and bringing the saw into contact with the wooden strip at the proper moment to saw off a length suitable for one bung. At the opposite end ofthe punch I is a hopper, K, into which the bungs successivelyvdrop.

L is a plunger geared to the shaft C by an eccentric, L. This plunger plays through the lower end of the hopper.

L2 is a compressing-die,y and Ls a follower attached to supporting-rods L?, which connect it with the plunger, so that the same will move therewith. Y

Lf" is a spring for retracting the plunger of the compressor. y

I4 is a spring for reti-acting the bung-punch. y, F is a guide for holding the strip of wood F against the feed-rollers and for guiding the strip. It is made adjustable to'and from the rollers to suit different thicknesses of wood, thereby adaptingit for different lengths of bangs.

'Mis a fender or shield to prevent sawdust i or refuse from the saw being thrown over the machine and to direct the same to a suitable point.

The punch I, the plunger L, and the compressing-die L? are all made removable, 'so as to be changed to correspond with different sizes of bungs, and the plunger L is preferably provided with the business-card or other matter in relief or countersunk, so as to make acci-responding impression on the end of the bung.

The operation of thedevicewill nowbe understood. The guide Fhaving been adjusted with respect to the feed-rolls so as to admit a strip of wood, F, suitable for the bungs to be cut, thecorresponding punch, I, is secured in place, as also the corresponding plunger, L, and compressing-die L2. The machine being now set in motion and the punching-cam I engaging with the revolving clutch I2, the projection II4 on the shaft C will strike the pushbar H, and so actuate the feeding mechanism through a space corresponding with one bung. The strip F, having been thus fed forward, comes to a standstill. The punch advances and enters partially into the wood at the same moment, the roller J5 of the saw-frame drops into the depression in the cam ring J 6, thus tilting the saw-frame and causing the saw J to saw off from the strip that piece adjacent to the punch of a size sufficient for a bung. Atthis moment the punch-,caimhaving passed around, releases the punch, and it is retracted by the spring I4, bringing back with it the sect-ion that was severed by the saw, this section being impaled upon the end of the punch. The same operation is now repeated, causing the strip to be fed again forwarda bung-length. The punch again advances, and in advancing the block impaled upon its end comes into contact with the strip; and the punch is driven through the block and into the strip, and the outer ring of the, block as it passes on over the punch is split apart aud falls into a receptacle beneath, while the bung has passed into the punch. The saw then advances, cutting off the new block, and the punch recedes with it impaled uponits end. The repetition of this operation soon fills the punch with a series of bungs,

IOO

and theyviinally begin to drop out one by one from the rear end of the punch into'the hop per K. A bung dropping into this hopper is directed down and rests upon the topsurface of theplunger L. Now, as the punch again advances, carrying with it the hopper K, the lower end of the hopper is stripped off from the end of the plunger L, and the vadjacent bung drops down into the bottom of the hopper in front of the plunger. At this moment the plunger is caused by its eccentric L to drive forward and forces the bung into the compressing-die L2, thus pressing it into the form ofa tapering bung and imprinting any suitable characters upon its end. The plunger then recedes, and the rods L4 cause the follower L3 to expel the bung'from the compressing-die, and it drops complete into a suitable receptaclebeneath. There has therefore been produced a 'machine by which, with a continuousa'nd uninterrupted motion of the machine in one direction, the bungs are successively cut from a strip, the strip sawed off, the bung delivered to the compressor, compressing and discharging all in asingle passage through the machine andfwithout handling.

4 It will be observed that the ratchet mechanism is adapted to engage the shaft without regard to the distance to which it may be rotated and subsequently retracted. This is of considerable importance, because if the ordinary toothed ratchet were employed with the ordinary4 pawl it would be necessary to IIO retract the same far enough for the pawl to engage behind some particular ratchet, and this would materially interfere with a close adjustment of the throw of the ratchet to correspond with different sizes of bungs, resulting generally in a considerable waste of material; but by the mechanism shown, o'r by an equivalent mechanism which will instantly engage regardless of the distance through which the mechanism is retracted,the feed of the bar can be regulated and adjusted very closely for the different sizes of bungsand so result in sawing off the blocks from the strip of wood so close to the punch as to avoid practically all waste of material. This may be accomplished by any of the various devices, generally friction devices,which are adapted for instant engagement by a motion in one direction yet disengaging by a movement in the opposite direction, and by the term friction mechanism I would have it understood as embracing any such device which does not require to be retracted through a fixed limit in order to take anew hold.

It should be understood that wherever springs are employed in this device the same may be displaced by weights adjusted to act in the same direction.

What I claim is- 1. In a machine for making bungs, the combination, with a saw mounted in an intermittentlyoscillating frame, a tubular reciprocating punch, and a frame for supporting and guiding the strip or blank, of rollers for feeding the strip forward, rotary shafts for carrying said rollers, said shafts being connected by pinion-gearing, a pawl-and-ratchet mechanism mounted on one of said shafts and provided with a sleeve, G', and lever G2, a pushbar having an adjustable connection with said lever, and a rotary shaft carrying a lug for actuating said push-bar, and a cam for actuating the saw-frame, substantially as described.

2. In a machine for making bungs, the combination of a reciprocating tubular punch, a rotary shaft carrying a fixed clutch, and a loosely-engaged cam for actuating said punch, a spring for retracting the punch, a saw mounted in an oscillating frame, and rollers for intermittently feeding the bung-strip, substantially as described.

3. In a machine for making bungs, the combination, with a saw mounted in an oscillating frame, a tubular reciprocating punch, a frame for supporting and guiding the bung-strip, and rollers for feeding said strip forward, of a hopper for receiving the out bungs from the punch,.a compressing-die, a plunger for forcing the bungs from the hopper into said die, and a follower for ejecting them from the die, substantially as described. l

4. In a machine for making bungs, the combination,witha supporting and guiding frame and rollers for feeding the bung-strip, of asaw mounted in an oscillating frame, a tubular reciprocating punch, a rotary shaft carrying a xed clutch, and a punch-actuatingcam loosely mounted on said shaft in proximity to the said clutch,whereby the punch may be thrown into and out of operation independently of the feed to permit a defective port-ion of the strip to be fed past the punch, substantially as described.

5. In a machine for making bungs, the combination of the frame A, having guide F for supporting the bung-strip, the intermittent feed-rollers E E', the rotary shaft @carrying cam J, the saw J, an oscillating saw-frame carrying a roller, J5, for engaging said cam, the reciprocating tubular punch I, the cam I', mounted loosely on the shaft C and adapted to be engaged with a clutch fixed to said shaft, the hopper K, for receiving the bungs from the punch7 a compressing-die, L2, a reciprocating punch, L, to force the bungs from the hopper and into said die, springs for retracting the punch and plunger, and a follower, L3, for ejecting the bungs from the die, said follower being actuated by rods L4 from acam, L, on the shaft C, substantially as described.

In ltestimony whereof I sign this specification in the presence of two witnesses.

JOHN PETZ.

IVitneSSeS:

N. S. WRIGHT, M. B. ODOGHERTY. 

